Portable generators can keep critical devices and appliances powered during an outage. Our top picks include solar, gas, and ...

The mid-term future for fuel efficient vehicles with useful range is likely a hybrid solution of electric motors powered by batteries, topped up by a fuel-burning generator. Dr. Norbert Müller at ...

Liquid Piston, an engine development company based in Connecticut, USA, succeeded in reducing the size to one-fifth the size of the current portable generator, and the U.S. Army Won the small and ...